dhobi's earth
noun1
India A whitish-grey sandy efflorescence, found in many places, from which by boiling and the addition of quicklime a strong alkali is obtained.
noun
India A whitish-grey sandy efflorescence, found in many places, from which by boiling and the addition of quicklime a strong alkali is obtained.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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